A sample consists of 25 freshmen, 25 sophomores, 25 juniors, and 25 seniors from a local high school that has an equal number of students in each class. If the sample was obtained using a list of all the students in the high school, it is probably an example of ____ sampling. If the sample was obtained without a list of students, it is likely an example of ____ sampling.
a. simple random; cluster
b. stratified random; quota
c. proportionate stratified random; quota
d. systematic; convenience
Question 2
A(n) _______________ study is designed to test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify potential side effects.
Fill in the blank(s) with correct word
Blood glucose measurement. A postprandial test may be self-administered. (a) A lance pierces the ski
a) Appropriate chair height b) Chair is too low c) Chair is too high
Graduating High School
Local Anesthetic Agents
A high-resolution model of the 50S ribosomal subunit
A 60-kg skier starts from rest from the top of a 50-m high slope. If the work done by friction ...